1-Gallon Everguard Furnace/Refractory Cement. EverGuard Refractory Cement is perfect for cementing and resetting furnaces, boilers, stoves and chimney collars. It can also be used to cementing and bedding of fire brick and special combustion chambers. When applied it creates a durable, airtight seal that will not shrink or pull away and is permanent and non-porous.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.